ntfs.h revision 1.11
1 /* $NetBSD: ntfs.h,v 1.11 2005/10/23 04:28:53 christos Exp $ */ 2 3 /*- 4 * Copyright (c) 1998, 1999 Semen Ustimenko 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 * 28 * Id: ntfs.h,v 1.5 1999/05/12 09:42:51 semenu Exp 29 */ 30 31 #if defined(__NetBSD__) && defined(_KERNEL_OPT) 32 #include "opt_ntfs.h" 33 #endif 34 35 typedef u_int64_t cn_t; 36 typedef u_int16_t wchar; 37 38 #pragma pack(1) 39 #define BBSIZE 1024 40 #define BBOFF ((off_t)(0)) 41 #define BBLOCK ((daddr_t)(0)) 42 #define NTFS_MFTINO 0 43 #define NTFS_VOLUMEINO 3 44 #define NTFS_ATTRDEFINO 4 45 #define NTFS_ROOTINO 5 46 #define NTFS_BITMAPINO 6 47 #define NTFS_BOOTINO 7 48 #define NTFS_BADCLUSINO 8 49 #define NTFS_UPCASEINO 10 50 #define NTFS_MAXFILENAME 255 51 52 struct fixuphdr { 53 u_int32_t fh_magic; 54 u_int16_t fh_foff; 55 u_int16_t fh_fnum; 56 }; 57 58 #define NTFS_AF_INRUN 0x00000001 59 struct attrhdr { 60 u_int32_t a_type; 61 u_int32_t reclen; 62 u_int8_t a_flag; 63 u_int8_t a_namelen; 64 u_int8_t a_nameoff; 65 u_int8_t reserved1; 66 u_int8_t a_compression; 67 u_int8_t reserved2; 68 u_int16_t a_index; 69 }; 70 #define NTFS_A_STD 0x10 71 #define NTFS_A_ATTRLIST 0x20 72 #define NTFS_A_NAME 0x30 73 #define NTFS_A_VOLUMENAME 0x60 74 #define NTFS_A_DATA 0x80 75 #define NTFS_A_INDXROOT 0x90 76 #define NTFS_A_INDX 0xA0 77 #define NTFS_A_INDXBITMAP 0xB0 78 79 #define NTFS_MAXATTRNAME 255 80 struct attr { 81 struct attrhdr a_hdr; 82 union { 83 struct { 84 u_int16_t a_datalen; 85 u_int16_t reserved1; 86 u_int16_t a_dataoff; 87 u_int16_t a_indexed; 88 } a_S_r; 89 struct { 90 cn_t a_vcnstart; 91 cn_t a_vcnend; 92 u_int16_t a_dataoff; 93 u_int16_t a_compressalg; 94 u_int32_t reserved1; 95 u_int64_t a_allocated; 96 u_int64_t a_datalen; 97 u_int64_t a_initialized; 98 } a_S_nr; 99 } a_S; 100 }; 101 #define a_r a_S.a_S_r 102 #define a_nr a_S.a_S_nr 103 104 typedef struct { 105 u_int64_t t_create; 106 u_int64_t t_write; 107 u_int64_t t_mftwrite; 108 u_int64_t t_access; 109 } ntfs_times_t; 110 111 #define NTFS_FFLAG_RDONLY 0x01LL 112 #define NTFS_FFLAG_HIDDEN 0x02LL 113 #define NTFS_FFLAG_SYSTEM 0x04LL 114 #define NTFS_FFLAG_ARCHIVE 0x20LL 115 #define NTFS_FFLAG_COMPRESSED 0x0800LL 116 #define NTFS_FFLAG_DIR 0x10000000LL 117 118 struct attr_name { 119 u_int32_t n_pnumber; /* Parent ntnode */ 120 u_int32_t reserved; 121 ntfs_times_t n_times; 122 u_int64_t n_size; 123 u_int64_t n_attrsz; 124 u_int64_t n_flag; 125 u_int8_t n_namelen; 126 u_int8_t n_nametype; 127 u_int16_t n_name[1]; 128 }; 129 130 #define NTFS_IRFLAG_INDXALLOC 0x00000001 131 struct attr_indexroot { 132 u_int32_t ir_unkn1; /* always 0x30 */ 133 u_int32_t ir_unkn2; /* always 0x1 */ 134 u_int32_t ir_size;/* ??? */ 135 u_int32_t ir_unkn3; /* number of cluster */ 136 u_int32_t ir_unkn4; /* always 0x10 */ 137 u_int32_t ir_datalen; /* sizeof simething */ 138 u_int32_t ir_allocated; /* same as above */ 139 u_int16_t ir_flag;/* ?? always 1 */ 140 u_int16_t ir_unkn7; 141 }; 142 143 struct attr_attrlist { 144 u_int32_t al_type; /* Attribute type */ 145 u_int16_t reclen; /* length of this entry */ 146 u_int8_t al_namelen; /* Attribute name len */ 147 u_int8_t al_nameoff; /* Name offset from entry start */ 148 u_int64_t al_vcnstart; /* VCN number */ 149 u_int32_t al_inumber; /* Parent ntnode */ 150 u_int32_t reserved; 151 u_int16_t al_index; /* Attribute index in MFT record */ 152 u_int16_t al_name[1]; /* Name */ 153 }; 154 155 #define NTFS_INDXMAGIC (u_int32_t)(0x58444E49) 156 struct attr_indexalloc { 157 struct fixuphdr ia_fixup; 158 u_int64_t unknown1; 159 cn_t ia_bufcn; 160 u_int16_t ia_hdrsize; 161 u_int16_t unknown2; 162 u_int32_t ia_inuse; 163 u_int32_t ia_allocated; 164 }; 165 166 #define NTFS_IEFLAG_SUBNODE 0x00000001 167 #define NTFS_IEFLAG_LAST 0x00000002 168 169 struct attr_indexentry { 170 u_int32_t ie_number; 171 u_int32_t unknown1; 172 u_int16_t reclen; 173 u_int16_t ie_size; 174 u_int32_t ie_flag;/* 1 - has subnodes, 2 - last */ 175 u_int32_t ie_fpnumber; 176 u_int32_t unknown2; 177 ntfs_times_t ie_ftimes; 178 u_int64_t ie_fallocated; 179 u_int64_t ie_fsize; 180 u_int64_t ie_fflag; 181 u_int8_t ie_fnamelen; 182 u_int8_t ie_fnametype; 183 wchar ie_fname[NTFS_MAXFILENAME]; 184 /* cn_t ie_bufcn; buffer with subnodes */ 185 }; 186 187 #define NTFS_FILEMAGIC (u_int32_t)(0x454C4946) 188 #define NTFS_FRFLAG_DIR 0x0002 189 struct filerec { 190 struct fixuphdr fr_fixup; 191 u_int8_t reserved[8]; 192 u_int16_t fr_seqnum; /* Sequence number */ 193 u_int16_t fr_nlink; 194 u_int16_t fr_attroff; /* offset to attributes */ 195 u_int16_t fr_flags; /* 1-nonresident attr, 2-directory */ 196 u_int32_t fr_size;/* hdr + attributes */ 197 u_int32_t fr_allocated; /* allocated length of record */ 198 u_int64_t fr_mainrec; /* main record */ 199 u_int16_t fr_attrnum; /* maximum attr number + 1 ??? */ 200 }; 201 202 #define NTFS_ATTRNAME_MAXLEN 0x40 203 #define NTFS_ADFLAG_NONRES 0x0080 /* Attrib can be non resident */ 204 #define NTFS_ADFLAG_INDEX 0x0002 /* Attrib can be indexed */ 205 struct attrdef { 206 wchar ad_name[NTFS_ATTRNAME_MAXLEN]; 207 u_int32_t ad_type; 208 u_int32_t reserved1[2]; 209 u_int32_t ad_flag; 210 u_int64_t ad_minlen; 211 u_int64_t ad_maxlen; /* -1 for nonlimited */ 212 }; 213 214 struct ntvattrdef { 215 char ad_name[0x40]; 216 int ad_namelen; 217 u_int32_t ad_type; 218 }; 219 220 #define NTFS_BBID "NTFS " 221 #define NTFS_BBIDLEN 8 222 struct bootfile { 223 u_int8_t reserved1[3]; /* asm jmp near ... */ 224 u_int8_t bf_sysid[8]; /* 'NTFS ' */ 225 u_int16_t bf_bps; /* bytes per sector */ 226 u_int8_t bf_spc; /* sectors per cluster */ 227 u_int8_t reserved2[7]; /* unused (zeroed) */ 228 u_int8_t bf_media; /* media desc. (0xF8) */ 229 u_int8_t reserved3[2]; 230 u_int16_t bf_spt; /* sectors per track */ 231 u_int16_t bf_heads; /* number of heads */ 232 u_int8_t reserver4[12]; 233 u_int64_t bf_spv; /* sectors per volume */ 234 cn_t bf_mftcn; /* $MFT cluster number */ 235 cn_t bf_mftmirrcn; /* $MFTMirr cn */ 236 u_int8_t bf_mftrecsz; /* MFT record size (clust) */ 237 /* 0xF6 inducates 1/4 */ 238 u_int32_t bf_ibsz; /* index buffer size */ 239 u_int32_t bf_volsn; /* volume ser. num. */ 240 }; 241 242 #pragma pack() 243 244 typedef wchar (ntfs_wget_func_t)(const char **, size_t *); 245 typedef int (ntfs_wput_func_t)(char *, size_t, wchar); 246 typedef int (ntfs_wcmp_func_t)(wchar, wchar); 247 248 #define NTFS_SYSNODESNUM 0x0B 249 struct ntfsmount { 250 struct mount *ntm_mountp; /* filesystem vfs structure */ 251 struct bootfile ntm_bootfile; 252 dev_t ntm_dev; /* device mounted */ 253 struct vnode *ntm_devvp; /* block device mounted vnode */ 254 struct vnode *ntm_sysvn[NTFS_SYSNODESNUM]; 255 u_int32_t ntm_bpmftrec; 256 uid_t ntm_uid; 257 gid_t ntm_gid; 258 mode_t ntm_mode; 259 u_long ntm_flag; 260 cn_t ntm_cfree; 261 struct ntvattrdef *ntm_ad; 262 int ntm_adnum; 263 ntfs_wget_func_t *ntm_wget; /* decode string to Unicode string */ 264 ntfs_wput_func_t *ntm_wput; /* encode Unicode string to string */ 265 ntfs_wcmp_func_t *ntm_wcmp; /* compare to wide characters */ 266 }; 267 268 #define ntm_mftcn ntm_bootfile.bf_mftcn 269 #define ntm_mftmirrcn ntm_bootfile.bf_mftmirrcn 270 #define ntm_mftrecsz ntm_bootfile.bf_mftrecsz 271 #define ntm_spc ntm_bootfile.bf_spc 272 #define ntm_bps ntm_bootfile.bf_bps 273 274 #define NTFS_NEXTREC(s, type) ((type)(((caddr_t) s) + (s)->reclen)) 275 276 /* Convert mount ptr to ntfsmount ptr. */ 277 #define VFSTONTFS(mp) ((struct ntfsmount *)((mp)->mnt_data)) 278 #define VTONT(v) FTONT(VTOF(v)) 279 #define VTOF(v) ((struct fnode *)((v)->v_data)) 280 #define FTOV(f) ((f)->f_vp) 281 #define FTONT(f) ((f)->f_ip) 282 #define ntfs_cntobn(cn) (daddr_t)((cn) * (ntmp->ntm_spc)) 283 #define ntfs_cntob(cn) (off_t)((cn) * (ntmp)->ntm_spc * (ntmp)->ntm_bps) 284 #define ntfs_btocn(off) (cn_t)((off) / ((ntmp)->ntm_spc * (ntmp)->ntm_bps)) 285 #define ntfs_btocl(off) (cn_t)((off + ntfs_cntob(1) - 1) / ((ntmp)->ntm_spc * (ntmp)->ntm_bps)) 286 #define ntfs_btocnoff(off) (off_t)((off) % ((ntmp)->ntm_spc * (ntmp)->ntm_bps)) 287 #define ntfs_bntob(bn) (daddr_t)((bn) * (ntmp)->ntm_bps) 288 289 #define ntfs_bpbl (daddr_t)((ntmp)->ntm_bps) 290 291 #if __FreeBSD_version >= 300000 || defined(__NetBSD__) 292 MALLOC_DECLARE(M_NTFSMNT); 293 MALLOC_DECLARE(M_NTFSNTNODE); 294 MALLOC_DECLARE(M_NTFSFNODE); 295 MALLOC_DECLARE(M_NTFSDIR); 296 MALLOC_DECLARE(M_NTFSNTHASH); 297 MALLOC_DECLARE(M_NTFSNTVATTR); 298 MALLOC_DECLARE(M_NTFSRDATA); 299 MALLOC_DECLARE(M_NTFSDECOMP); 300 MALLOC_DECLARE(M_NTFSRUN); 301 #endif 302 303 #ifdef __NetBSD__ 304 typedef int (vop_t)(void *); 305 #define HASHINIT(a, b, c, d) hashinit((a), HASH_LIST, (b), (c), (d)) 306 #define bqrelse(bp) brelse(bp) 307 #if 0 308 #define VOP__UNLOCK(a, b, c) VOP_UNLOCK((a), (b)) 309 #define VGET(a, b, c) vget((a), (b)) 310 #define VN_LOCK(a, b, c) vn_lock((a), (b)) 311 #endif 312 #else /* !NetBSD */ 313 #define HASHINIT(a, b, c, d) hashinit((a), (b), (d)) 314 #define VOP__UNLOCK(a, b, c) VOP_UNLOCK((a), (b), (c)) 315 #define VGET(a, b, c) vget((a), (b), (c)) 316 #define VN_LOCK(a, b, c) vn_lock((a), (b), (c)) 317 318 /* PDIRUNLOCK is used by NetBSD to mark if vfs_lookup() unlocked parent dir; 319 * on FreeBSD, it's not defined and nothing similar exists */ 320 #define PDIRUNLOCK 0 321 #endif /* NetBSD */ 322 323 #ifdef NTFS_DEBUG 324 extern int ntfs_debug; 325 #define DPRINTF(X, Y) do { if(ntfs_debug >= (X)) printf Y; } while(0) 326 #define dprintf(a) DPRINTF(1, a) 327 #define ddprintf(a) DPRINTF(2, a) 328 #else /* NTFS_DEBUG */ 329 #define DPRINTF(X, Y) 330 #define dprintf(a) 331 #define ddprintf(a) 332 #endif 333 334 extern vop_t **ntfs_vnodeop_p; 335
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